Base | Representation |
---|---|
bin | 10010101110001011… |
… | …111001000101111011 |
3 | 1220212221212200202021 |
4 | 102232023321011323 |
5 | 312132132102303 |
6 | 13122420215311 |
7 | 1311103032550 |
oct | 225613710573 |
9 | 56787780667 |
10 | 20102222203 |
11 | 85861a9088 |
12 | 3a9023a537 |
13 | 1b84918a4b |
14 | d89ad4a27 |
15 | 7c9c0debd |
hex | 4ae2f917b |
20102222203 has 32 divisors (see below), whose sum is σ = 25634672640. Its totient is φ = 15358041600.
The previous prime is 20102222201. The next prime is 20102222209. The reversal of 20102222203 is 30222220102.
It is a cyclic number.
It is not a de Polignac number, because 20102222203 - 21 = 20102222201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20102222201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240078 + ... + 312796.
It is an arithmetic number, because the mean of its divisors is an integer number (801083520).
Almost surely, 220102222203 is an apocalyptic number.
20102222203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20102222203 is a deficient number, since it is larger than the sum of its proper divisors (5532450437).
20102222203 is a wasteful number, since it uses less digits than its factorization.
20102222203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72867.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 20102222203 its reverse (30222220102), we get a palindrome (50324442305).
The spelling of 20102222203 in words is "twenty billion, one hundred two million, two hundred twenty-two thousand, two hundred three".
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